Thompson- Tur 



b. The embryology, larval ecology and metamorphosis of a littoral Dorid 

 Nudibranchiate species, with special reference to the phenomena asso- 

 ciated with the euthyneurous tendencies displayed in present-day Opis- 

 thobranchs. Adalaria proxima Alder & Hancock (Polyceridae, Opistho- 

 branchiata) 

 THORNTON. C. S. A.B., M.A., Ph.D. — Kenyon College, GAMBIER. 

 Ohio. U.S.A. 



a. Effect on limb regeneration of apical epidermal cap inactivation by ultra- 

 violet light. Ambystoma talpoideum, A tigrinum (Urodela) 



b. Analysis of the manner in which transplanted body skin inhibits limb 

 regeneration. Ambystoma tigrinum, A. talpoideum (Urodela) 



THURMOND, W. A.B.. M.A. — Biol. Sci. Dept. Calif. State Polytechnic 

 College. SAN LUIS OBISPO. Cal., U.S.A. 



a. The determination of onset of intermedin production and secretion. Hyla 

 Regilla (Anura) 



b. Factors controlling the differentiation of the pars intermedia, homoplasti- 

 cally transplanted into albino larvae. Hyla Regilla (Anura) 



c. The determination of onset of production and secretion of a melano- 

 phore-stimulating substance produced by the neurohypophysis. Hyla 

 Regilla (Anura) 



TIEDEMANN. H. Dr med.. Dr rer.nat.. Dr habil. — Heiligenberg-Inst., 

 (17b), HEILIGENBERG. Kreis Ueberlingen Bodensee, Deutschland 

 a. Chemische Physiologie der Entwicklung. (Amphibia) 

 TIEDEMANN— WAECHTER. Mrs H. Dr rer.nat. — Heiligenberg-Inst., 

 (17b) HEILIGENBERG, Kreis Ueberlingen Bodensee, Deutschland 

 a. Chemische Physiologie der Entwicklung. (Amphibia) 

 TIMMERMANS, C. J. — Genet. Inst, der Rijks Univ., 5e Binnenvestgracht 

 8. LEIDEN, Holland 

 a. Abnormal imaginal development by ultrasonic treatment of embryo. Dro- 

 sophila melanogaster (Diptera) 

 TISNA-AMIDJAJA, D. A. Dr rer.nat. — Fak. Ilmu Pasti dan I. Alam, 

 Bagian Zoology, Djl. Taman Sari 64, BANDUNG, Indonesia 

 a. Standard food and growth curve. Rhacophorus leucomystax, Bufo mela- 

 nostictus (Anura) leucomystax (Anura) 



h. Hybridization between the striped and non-striped variety. Rhacophorus 

 TIXIER— VIDAL, Mrs A. — Lab. d'Histophysiol., Coll. de France, Place 

 Marcelin Berthelot, PARIS Ve, France 

 a. Differenciation de la thyroide embryonnaire en culture d'organe (metho- 



de de WOLFF). Gallus domesticus (Aves) 

 h. Apparition de la fonction thyreotrope dans I'hypophyse embryonnaire 

 (etude e.xperimentale). Gallus domesticus (Aves) 

 TOIVONEN, S. I. Ph.D.. F.I. I.E., Prof. — Zool. Lab., Univ. of Helsinki, 

 P. Rautatiekatu 13. HELSINKI, Finland 

 a. The specific action of heterogenous inductors. Triturus spec. (Urodela) 

 h. Thyroid gland and adenohypophysis in normal and delayed metamor- 

 phosis. Xenopus laevis (Anura) (in collaboration with L. O. SAXeN) 



c. Induction of mesoderm by killed inductors. Triturus spec. (Urodela) 



d. The inductive action of malignant tumors. Triturus spec. (Urodela) (in 

 collaboration with L. O. SAXeN) 



TOMITA, H. B.Sc, M.A. — Biol. Inst.. Fac. of Sci., Nagoya Univ.. Chi- 

 gusa-Ku, NAGOYA, Japan 



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